1 hour below 34°F = 0.0 chill unit
1 hour 34.01 - 36°F = 0.5 chill unit
1 hour 36.01 - 45°F = 1.0 chill unit
1 hour above 45°F = 0.0 chill units
This site is run by the Texas A&M AgriLife Research Center District 12 Office. Our aim is to provide the public with weather data recorded from our weather stations placed around the Rio Grande Valley.